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Finding the Fourth Proportional to 9,574.22, 13,208.65 and 7,062.38

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Solution

The fourth proportional to 9,574.22, 13,208.65 and 7,062.38 is: 9,743.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,574.22 : 13,208.65 = 7,062.38 : x
  2. Step 2: Convert to fraction form
    9,574.22/13,208.65 = 7,062.38/x
  3. Step 3: Cross multiply
    9,574.22x = 13,208.65 × 7,062.38
  4. Step 4: Simplify right side
    9,574.22x = 93,284,421.89
  5. Step 5: Solve for x
    x = 93,284,421.89/9,574.22
  6. Step 6: Final answer
    x = 9,743.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.